Home / 109,968.84-151,769.78-66,973.53

Finding the Fourth Proportional to 109,968.84, 151,769.78 and 66,973.53

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Solution

The fourth proportional to 109,968.84, 151,769.78 and 66,973.53 is: 92,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,968.84 : 151,769.78 = 66,973.53 : x
  2. Step 2: Convert to fraction form
    109,968.84/151,769.78 = 66,973.53/x
  3. Step 3: Cross multiply
    109,968.84x = 151,769.78 × 66,973.53
  4. Step 4: Simplify right side
    109,968.84x = 10,164,558,776.07
  5. Step 5: Solve for x
    x = 10,164,558,776.07/109,968.84
  6. Step 6: Final answer
    x = 92,431.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.